diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..45b5ca3
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+secrets/** filter=git-crypt diff=git-crypt
diff --git a/home/rachel.nix b/home/rachel.nix
index 6ff1981..a5a3d2c 100644
--- a/home/rachel.nix
+++ b/home/rachel.nix
@@ -88,6 +88,7 @@ in
       unstable.kicad
       remmina
       unstable.renoise
+      git-crypt
     ];
     stateVersion = "23.11";
   };
diff --git a/secrets/eta.nix b/secrets/eta.nix
new file mode 100644
index 0000000..c17fa43
Binary files /dev/null and b/secrets/eta.nix differ